SHIMANO EW-JC130 DI2 Y-Split Junction Box E-Tube Connector
The Shimano EW-JC130 Y-Splitter for E-Tube Di2 wiring is available in 3 size configurations. Each one has a 50mm wire connected to two more wires of varying lengths.
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.